Summary of Significant Accounting Policies (Details Textual) $ in Thousands		9 Months Ended
	Aug. 19, 2009 USD ($) tranche shares	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Class of Stock [Line Items]
Allowance for doubtful accounts | $		$ 156		$ 161
Proceeds from rights offering, net of expenses | $		$ 49,528	$ 13,180
Kien Huat Realty Limited | Investment Agreement [Member]
Class of Stock [Line Items]
Proceeds from rights offering, net of expenses | $	$ 55,000
Sale of Stock, Number of Tranches | tranche	2
Sale of Stock, Number of Units Exercised for Purchase Right to be Valid	1,000,000
Sale of Stock, Exercise Notification Period	5 days
Sale of Stock, Notification Period of Intent to Match	10 days
Sale of Stock, Number of Securities to be Called by Rights	1,032,000
Sale of Stock, Number of Additional Rights Possible	154,000